acpi_dbg2_device_info
acpi_dbg2_device_info *info = (acpi_dbg2_device_info*)((char*)dbg2
while (info != (acpi_dbg2_device_info*)((char*)dbg2 + dbg2->header.length)) {
info = (acpi_dbg2_device_info*)((char*)info + info->length);